Driver Core: fix bug in device_rename() for SYSFS_DEPRECATED=y

[linux-2.6-omap-h63xx.git] / fs / gfs2 / lops.h

diff --git a/fs/gfs2/lops.h b/fs/gfs2/lops.h
index 965bc65c7c6432b9f47f3937d4dbd27f5b4c9446..41a00df755879dea4018ae332f40a45155bc9fb6 100644 (file)
--- a/fs/gfs2/lops.h
+++ b/fs/gfs2/lops.h
@@ -13,6 +13,13 @@
 #include <linux/list.h>
 #include "incore.h"
 
+#define BUF_OFFSET \
+       ((sizeof(struct gfs2_log_descriptor) + sizeof(__be64) - 1) & \
+        ~(sizeof(__be64) - 1))
+#define DATABUF_OFFSET \
+       ((sizeof(struct gfs2_log_descriptor) + (2 * sizeof(__be64) - 1)) & \
+        ~(2 * sizeof(__be64) - 1))
+
 extern const struct gfs2_log_operations gfs2_glock_lops;
 extern const struct gfs2_log_operations gfs2_buf_lops;
 extern const struct gfs2_log_operations gfs2_revoke_lops;
@@ -21,6 +28,22 @@ extern const struct gfs2_log_operations gfs2_databuf_lops;
 
 extern const struct gfs2_log_operations *gfs2_log_ops[];
 
+static inline unsigned int buf_limit(struct gfs2_sbd *sdp)
+{
+       unsigned int limit;
+
+       limit = (sdp->sd_sb.sb_bsize - BUF_OFFSET) / sizeof(__be64);
+       return limit;
+}
+
+static inline unsigned int databuf_limit(struct gfs2_sbd *sdp)
+{
+       unsigned int limit;
+
+       limit = (sdp->sd_sb.sb_bsize - DATABUF_OFFSET) / (2 * sizeof(__be64));
+       return limit;
+}
+
 static inline void lops_init_le(struct gfs2_log_element *le,
                                const struct gfs2_log_operations *lops)
 {